#include <stdio.h>
#include <stdlib.h>

/* conversion de grados*/
int main()
{
    int i;
    float c;
    for (i=0;i<=300;i+=20)
    {
        c = (5./9) * (i - 32);
        printf("%3d grados Farenheit equivalen a %4.4f grados Celcius\n", i,c);
    }
    return 0;
}
